Eich Amplification T900, Transistor Bass Head, Active 4-band EQ, ""Button"" controller, Tuner output, Mute switch, Transformer balanced DI (pre- & post switchable) with ground lift, Serial effects loop, Line out, Line in, 3.5mm AUX-In, 3.5mm Earphone terminal, Power: 900W at 4Ω, 600W at 8Ω (Speaker Twist), Class D amplifier, Digital, super quiet fan control Airflow Channel for better cooling, ""Magnet Fixpins"" for locking on oak cabinets, 115/230 V/AC switchable, Dimensions (W x H x D): 27 x 4.5 x 21 cm, Weight: 1.70 kg, Made in Germany, Matching 19"" rack ears, and soft bag available (not included)